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cleware-traffic-light

License PyPI version

cleware-traffic-light an easy to use CLI tool written in Python3 to control the cleware USB traffic light. It supports multiple traffic light control and the usage as a module in your own Python application.

Usage

Module

from traffic_light import ClewareTrafficLight, Color, State

ClewareTrafficLight().red_on()
ClewareTrafficLight().yellow_off()

# with address for specific light
ClewareTrafficLight(21).green_on()

CLI

ctl --red on
ctl -r on
ctl --red on --green off
ctl --red off --green on --address 19

Installation

use pip to install cleware-traffic-light

sudo pip3 install cleware-traffic-light

Linux

To use the CLI as a user you first have to create the USB rule

# go to directory
cd /etc/udev/rules.d/

# create file with the rule
touch 99-clewareampel.rules

Rule content

# V4^ (2023-10)
echo 'SUBSYSTEM=="usb", ATTR{idVendor}=="0d50", ATTR{idProduct}=="0008", MODE="660", GROUP="traffic-light"' > 99-clewareampel.rules

# V3 and lower
echo 'SUBSYSTEM=="usb", ATTR{idVendor}=="0d50", ATTR{idProduct}=="0030", MODE="660", GROUP="traffic-light"' > 99-clewareampel.rules

Help

usage: ctl [-h] [-r {on,off}] [-y {on,off}] [-g {on,off}]
                     [-a ADDRESS]

Turns the led of the cleware traffic light on or off

optional arguments:
  -h, --help            show this help message and exit
  -r {on,off}, --red {on,off}
                        Controlls the red led
  -y {on,off}, --yellow {on,off}
                        Controlls the yellow led
  -g {on,off}, --green {on,off}
                        Controlls the green led
  -a ADDRESS, --address ADDRESS
                        Specifies which traffic light should be used